Flame Vine Plant Care
Pyrostegia venusta Miers
Updated · Sources · How we source care data
Pyrostegia venusta, also commonly known as flamevine or orange trumpet vine, is a plant species of the genus Pyrostegia of the family Bignoniaceae originally native to southern Brazil, Bolivia, northeastern Argentina and Paraguay; today, it is also a widely cultivated garden species.
Every 7–10 days
Full sun
60–90°F
40–70%
At a glance
How do you care for Flame Vine?
Water Flame Vine every 7–10 days, letting the top layer of soil dry out between waterings, and give it full sun. It prefers temperatures of 60–90°F (16–32°C) and 40–70% humidity. Fertilize it every 6 months during the growing season.
What Is the Flame Vine?
Flame Vine (Pyrostegia venusta) belongs to the Bignoniaceae family within the Pyrostegia genus. Flame Vine is native to southern Brazil, Bolivia, northeastern Argentina and Paraguay. Flame Vine is also known as Orange Flame Vine, Firecracker Vine.
Flame Vine displays a vigorous climbing vine growth habit, reaching up to 20 ft tall with a spread of approximately 6 ft. Flame Vine produces tubular orange or red flowers in clusters.
Leaf size: approximately 4 inches.
How Often Should You Water a Flame Vine?
Pyrostegia venusta requires watering every 7–10 days. Allow the top layer of soil to dry between waterings to prevent root rot. Reduce watering frequency during winter when growth slows.
Watering Frequency
Every 7–10 days
Let soil partially dry between waterings
What Light Does the Flame Vine Need?
Flame Vine thrives in full sun.
Light Requirement
Full sun
What Temperature and Humidity Does the Flame Vine Prefer?
Pyrostegia venusta grows best at temperatures of 60–90°F. Flame Vine prefers humidity levels of 40–70%.
Temperature
60–90°F
Humidity
40–70%
What Soil Mix Works Best for a Flame Vine?
Well-draining sandy loam with added organic matter for moisture retention. Good drainage is essential for Flame Vine to prevent waterlogging, which leads to root rot and fungal issues.
How Often Should You Fertilize a Flame Vine?
Feed Flame Vine every 6 months during the growing season (spring and summer) with a balanced fertilizer diluted to the strength on the label.
Pause feeding in autumn and winter, when growth slows, and never fertilize dry soil — water first.
Fertilizing
Every 6 months
During the growing season
The PlantoScan app can remind you when to water and when to fertilize each plant.
How Do You Repot a Flame Vine?
Repot every 1-2 years in spring. Choose a pot one size larger than the current container, and ensure it has drainage holes to allow excess water to escape.
How Do You Propagate a Flame Vine?
Flame Vine can be propagated through seeds, stem cuttings.
Is the Flame Vine Toxic to Pets and Children?
Pet safety not verified
The ASPCA does not list Flame Vine, so we can't confirm whether it is safe for cats and dogs. Keep pets from chewing it as a precaution.
This is a general caution, not veterinary or medical advice. If your pet ate a plant, contact your vet or animal poison control.
See all plants toxic to cats and plants toxic to dogs.
What Pests and Diseases Affect the Flame Vine?
Flame Vine is susceptible to aphids, scale insects. Inspect the foliage regularly, especially along leaf undersides and stems. Treat infestations promptly with insecticidal soap or neem oil to prevent spread.
Yellow leaves, brown tips or drooping? See common plant problems and how to fix them.
What USDA Hardiness Zone Does the Flame Vine Need?
Flame Vine grows outdoors in USDA Zone 13a. It survives winters down to planting zone 13a. Flame Vine is native to southern Brazil, Bolivia, northeastern Argentina and Paraguay. In cooler regions, grow Flame Vine as a houseplant or bring it indoors before the first frost.
Hardiness Zone
Zone 13a
Keep exploring plants
Flame Vine is one of many species covered in the complete plant care and identification guide, which groups plants by genus, attribute, and popularity.
It belongs to the Pyrostegia genus — compare its care with other Pyrostegia species on PlantoScan.
Pyrostegia is part of the Bignoniaceae plant family — browse all Bignoniaceae genera and species.
Flame Vine thrives in bright light and direct sun — see other bright-light plants.
Related Plant Care Guides
Closely related plants with similar care requirements:
Sources
- Scientific name & taxonomy: Pyrostegia venusta Miers, family Bignoniaceae (first published in Proc. Roy. Hort. Soc. London 3: 188 (1863)) — World Flora Online record, IPNI name record.
- Pet toxicity: Pet safety not verified: the ASPCA does not list Flame Vine, so we can't confirm whether it is safe for cats and dogs. Checked against the ASPCA plant list; any other toxicity note on this page comes from PlantoScan's plant database.
- Hardiness zone: USDA Zone 13a, calculated from the plant's minimum temperature.
- Care values(watering, light, temperature, humidity, soil, fertilizing): PlantoScan's plant database, filtered by automatic plausibility checks — values that fail them are hidden. How we source and check plant data.
Spotted a mistake? Email info@upvision.media with the page link — we check and correct reported errors.
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